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144627313 = 1716375197
BaseRepresentation
bin10001001111011…
…01011001110001
3101002010211101011
420213231121301
5244011033223
622203510521
73404211655
oct1047553161
9332124334
10144627313
1174702706
1240528441
1323c6a5bc
14152caa65
15ca6c80d
hex89ed671

144627313 has 8 divisors (see below), whose sum is σ = 153257832. Its totient is φ = 136010496.

The previous prime is 144627293. The next prime is 144627323. The reversal of 144627313 is 313726441.

It can be written as a sum of positive squares in 4 ways, for example, as 6517809 + 138109504 = 2553^2 + 11752^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144627313 - 25 = 144627281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144627323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25231 + ... + 30427.

It is an arithmetic number, because the mean of its divisors is an integer number (19157229).

Almost surely, 2144627313 is an apocalyptic number.

It is an amenable number.

144627313 is a deficient number, since it is larger than the sum of its proper divisors (8630519).

144627313 is a wasteful number, since it uses less digits than its factorization.

144627313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851.

The product of its digits is 12096, while the sum is 31.

The square root of 144627313 is about 12026.1096369524. The cubic root of 144627313 is about 524.9082990252.

The spelling of 144627313 in words is "one hundred forty-four million, six hundred twenty-seven thousand, three hundred thirteen".

Divisors: 1 17 1637 5197 27829 88349 8507489 144627313